CA1029943A - Toner pickoff apparatus - Google Patents

Toner pickoff apparatus

Info

Publication number
CA1029943A
CA1029943A CA190,249A CA190249A CA1029943A CA 1029943 A CA1029943 A CA 1029943A CA 190249 A CA190249 A CA 190249A CA 1029943 A CA1029943 A CA 1029943A
Authority
CA
Canada
Prior art keywords
toner
pickoff
pickoff apparatus
toner pickoff
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA190,249A
Other languages
French (fr)
Other versions
CA190249S (en
Inventor
Frederick W. Hudson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of CA1029943A publication Critical patent/CA1029943A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0801—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer for cascading
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
CA190,249A 1973-01-17 1974-01-16 Toner pickoff apparatus Expired CA1029943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US324466A US3865080A (en) 1973-01-17 1973-01-17 Toner pickoff apparatus

Publications (1)

Publication Number Publication Date
CA1029943A true CA1029943A (en) 1978-04-25

Family

ID=23263716

Family Applications (1)

Application Number Title Priority Date Filing Date
CA190,249A Expired CA1029943A (en) 1973-01-17 1974-01-16 Toner pickoff apparatus

Country Status (3)

Country Link
US (1) US3865080A (en)
JP (1) JPS49106337A (en)
CA (1) CA1029943A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911865A (en) * 1973-03-30 1975-10-14 Xerox Corp Toner pickoff apparatus
US4041903A (en) * 1974-05-21 1977-08-16 Konishiroku Photo Industry Co., Ltd. Developing device for use in electrophotography
JPS5335479Y2 (en) * 1974-10-23 1978-08-30
US3996892A (en) * 1975-02-24 1976-12-14 Xerox Corporation Spatially programmable electrode-type roll for electrostatographic processors and the like
JPS53130A (en) * 1976-06-24 1978-01-05 Ricoh Co Ltd Device for cleaning photoimaging element
JPS55138765A (en) * 1979-04-18 1980-10-29 Toshiba Corp Magnetic brush developing device
US4318606A (en) * 1980-01-21 1982-03-09 Burroughs Corporation Magnetic toner imaging-multiplexing apparatus
US5134442A (en) * 1990-07-26 1992-07-28 Xerox Corporation Electrode wire contamination prevention and detection
DE4128942C2 (en) * 1991-01-16 1995-06-22 Ricoh Kk Development device which is provided in an image forming device
US5115276A (en) * 1991-09-05 1992-05-19 Eastman Kodak Company Magnetic brush development apparatus
US6006048A (en) * 1998-10-02 1999-12-21 Xerox Corporation Wrong-sign toner detection system
US7672620B2 (en) * 2006-12-06 2010-03-02 Xerox Corporation Developer purification station or structure

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412710A (en) * 1966-10-11 1968-11-26 Xerox Corp Cleanup electrode
US3411482A (en) * 1967-01-30 1968-11-19 Varian Associates Electrographic toner development employing a clean-up electrode structure for removing unwanted background
US3536042A (en) * 1967-03-23 1970-10-27 Xerox Corp Xerographic development apparatus
US3592675A (en) * 1967-10-09 1971-07-13 Azoplate Corp Method for developing latent electrostatic images
US3550556A (en) * 1968-01-11 1970-12-29 Xerox Corp Development apparatus
US3634077A (en) * 1968-08-26 1972-01-11 Xerox Corp Method and apparatus for removing a residual image in an electrostatic copying system
US3649262A (en) * 1968-12-31 1972-03-14 Xerox Corp Simultaneous development-cleaning of the same area of an electrostatographic image support surface
US3574301A (en) * 1969-04-02 1971-04-13 Xerox Corp Developing apparatus
US3662711A (en) * 1970-03-19 1972-05-16 Xerox Corp Development apparatus
US3637306A (en) * 1970-12-02 1972-01-25 Ibm Copying system featuring alternate developing and cleaning of successive image areas on photoconductor
US3754962A (en) * 1970-12-21 1973-08-28 Ibm Development of electrostatic images
JPS5028023A (en) * 1973-07-17 1975-03-22

Also Published As

Publication number Publication date
JPS49106337A (en) 1974-10-08
US3865080A (en) 1975-02-11

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